


library(mvtnorm)
library(arm)
library(BRugs)
library(R2OpenBUGS)
library(coda)
library(car)
library(foreign)
library(vioplot)


# Change this to your working directory.  Note this path makes Dropbox work at least on a windows machine
setwd("~/../Dropbox/iREDS/Data/Analysis/scales/S2")


dataset<-read.dta(file.choose()) # read in a Stata file "ireds_dataset_wide_v12.dta"



# Data preprossing for the Congdon model 


# create the matrix of lab adjacencies

LabAdj=matrix(data=0, nrow=length(dataset$labid), ncol=length(dataset$labid))
for (i in 1:length(dataset$labid)) {
  for (j in 1:length(dataset$labid)) {
    if (i!=j) { 
      if (dataset$labid[i]==dataset$labid[j]) {
        LabAdj[i,j]<-1
      }}}}



#### Create Vector of labmate mappings to read into Congdon programs: 

LabMap<-list(map=NULL)
for (i in 1:length(dataset$labid)) {
  for (j in 1:length(dataset$labid)) {
    if (LabAdj[i,j]==1) LabMap<-list(map=c(LabMap$map, j))
  }}

LabC<-list(C=0)
nadj<-0
for (i in 1:length(dataset$labid)) {
  nadj<-sum(LabAdj[i,])+nadj
  LabC<-list(C=c(LabC$C, nadj))
}
map <- LabMap$map
C <- LabC$C

one<-rep(1, length(dataset$labid))
numLabNeigh<-sum(as.numeric(t(LabAdj%*%one)))
Cn <- numLabNeigh




## create data 


# set constants 
n_respondents <- length(dataset$labid)
n_responses <- 4

n_q2 <- 3 

# create matrices of the pre and post outcomes.  You can include an arbitrary number of items/questions provided
# you have at least three to identify the latent variables.
S2.0 <- as.matrix(cbind(dataset$t0_ap_understandrationale, dataset$t0_ap_understandimportance, dataset$t0_ap_understandimplications))
S2.1 <- as.matrix(cbind(dataset$t1_ap_understandrationale, dataset$t1_ap_understandimportance, dataset$t1_ap_understandimplications))


# create variables that track (complete case) pretreatment means, which we use to improve convergence
s2x <- c(2.92, 3.04, 3.10)

condition <- as.numeric(dataset$condition)

cuts<-c(-1,0,1)




data<-list("S2.0", "S2.1", "n_q2", "s2x", "condition", "n_respondents", "n_responses", "C", "map", "Cn") 
inits <- function() {
  list(S2.theta0=rnorm(n_respondents), S2.delta.theta=rnorm(n_respondents), 
       S2.alpha1=rnorm(1), S2.lambda.1=runif(n_q2),  
       S2.beta.1=rlnorm(n_q2), S2.beta.2=rlnorm(n_q2), 
       S2.lambda.0=as.matrix(rbind(cuts, cuts, cuts)),
       S2.beta.0=as.matrix(rbind(cuts, cuts, cuts)), S2.rho=0.1, 
       e2=rnorm(n_respondents)
  )} 


# Output the data and inits files to the working directory for the analysis...
setwd("~/../Dropbox/iREDS/Data/Analysis/scales/S2")
bugs.data(data, dir=getwd(), digits=5, data.file="data.txt")
bugs.data(inits(), dir=getwd(), digits=3, data.file="inits1.txt")
bugs.data(inits(), dir=getwd(), digits=3, data.file="inits2.txt")
bugs.data(inits(), dir=getwd(), digits=3, data.file="inits3.txt")

